Power Cable - Huawei DBS3900 Installation Manual

1 Safety
Before powering on a device, ground the device. Otherwise, personal injury or device damage
may be caused by high leakage current.
Thunderstorm
Do not perform any operation, including high voltage and AC operations, on a steel tower or
mast during a thunderstorm.
Tools
Dedicated tools must be used during high voltage and AC operations. Avoid using ordinary
tools.
High Electrical Leakage
Ground the device before powering it on. Otherwise, personal injury or device damage may
be caused by high leakage current.
If a "high electrical leakage" tag is present on the power terminal of the device, you must
ground the device before powering it on.

Power Cable

Do not install or remove power cables when the device is on. Transient contact between the
core of the power cable and the conductor may generate electric arcs or sparks, which may
cause fire or hurt human eyes.


1-4
Before installing or removing the power cable, turn off the power switch.
Before connecting a power cable, check that the label on the power cable is correct.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue (02)